电弧炉电气系统谐波分析的频域方法研究。
Research on harmonic analysis of arc furnace electric system based on frequency domain method.
谐波分析一直是信号处理的基本方法之一。
电能质量，测量，电能质量监测，谐波分析。
Power quality, Measure, Power quality monitor, Harmonic analysis.
提出了一种谐波分析的新方法——近似同步法。
A novel method-approximately synchronous method (ASM) is proposed for harmonics analysis.
准确的谐波分析对电力系统稳定具有重要意义。
To analyze harmonic accurately is significant to the stability of power system.
提出一种基于时频原子方法的间谐波分析方法。
A new method to analyze inter-harmonics by time-frequency atom is proposed.
谐波分析测量法。
利用谐波分析等方法分别探讨单相全波整流电路的功率问题。
In this paper, the power problem of completely wave rectifier is discussed by many methods respectively, such as harmonic analyses.
本文列举了此模型在变流器系统动态和谐波分析方面的应用结果。
Some practical results of this model for the dynamic and harmonic analysis of converter system are presented.
利用FFT变换进行谐波分析，非整周期采样会带来较大的误差。
Non integer period Sampling leads to large error in harmonic analysis by FFT.
这些改进能够进一步降低泄漏和噪声干扰，提高谐波分析的准确性。
By these methods, the disturbance of the frequency leakage and the noise can be reduced and the accuracy of the harmonic analysis can be improved.
本文对传统谐波分析算法进行了改进，提出了多项窗的加窗插值法。
In this paper, based on the improving traditional algorithm of the harmonic analysis, a windowed and interpolated algorithm is proposed.
着重讲述了FIR滤波器设计、谐波分析以及除法与开方运算的实现。
In detail, it specifies the design of FIR filter, computing harmonics theory and the implementation of division and evolution.
其次，提出了一种简单的电力系统谐波分析计算的方法——电子表格。
Secondly, a simple analysis of electric power harmonics is briefly discussed — electric form.
利用中间谐波分析方法，准确地分析出马钢两个轧钢厂的谐波结构情况。
Interharmonics analysis is used to analyze accurately the harmonic structure in two rolling mills of Magang.
利用谐波分析子模块对畸变信号进行分析，较直观地得出基波和谐波情况。
Fundamental wave and harmonic condition can be found clearly by analyzing the distortion signal using the sub-module of harmonic analysis.
根据执行系统回转精确度测试实验，利用谐波分析原理，建立了相应的数学模型。
In this article according to the experiment of executive systems motion accuracy, the corresponding mathematical model is established by harmonic analysis principle.
作为一种抽象谐波分析方法，谱变换使数字逻辑设计的研究从逻辑域转化到谱域。
As a means of abstract harmonic analysis, spectral transform takes the research of logic design from the area of logic to the area of spectral.
运用谐波分析程序（HAP）对此方案进行校验，等效干扰电流达到了标准要求。
This design is verified by HAP program, the equivalent interfering current calculated by HAP is under the limited level.
分段结构磁化曲线拟合方式的提出，便于合理地进行正交可控消弧线圈的谐波分析。
The segmented magnetization curve fitting provides to the orthogonal controllable reactor's harmonic analysis reasonably and precisely.
目前已经存在很多的电网谐波分析系统方案，但其中多数是以单个微处理器为核心的。
There have already been many harmonic analysis system solutions for power network, but most of them are based on a single microprocessor.
提出了一种适于高精度实时电力谐波分析的自适应调整采样频率的电网频率跟踪算法。
An adaptive sampling frequency tracking algorithm which adapt to realization of precise real time harmonic analysis is introduced.
采样不同步产生的同步误差是造成频谱泄漏和影响谐波分析准确性、检测精度的重要原因。
Spectral leakage caused by synchronous error in no-synchronous sampling is an important reason, which reduces the accuracy of spectral analysis and harmonic measurement.
介绍了PWM开关功率变换器电路的统一建模方法，并将谐波分析方法应用于电路分析中。
This paper introduces the method of unified modeling for PWM switched converter, and draws the analytic method of harmonic balance into the analysis of the circuit.
给出了系统硬件结构，对以内部硬件乘法器为FFT处理核的谐波分析技术进行了详细分析。
The harmonic analysis with the FFT processing nucleus based on the internal hardware multiplier is analyzed in detail.
通过实测数据并用谐波分析的方法对两项误差进行补偿与调整，提高了感应同步器的测角精度。
By applying the harmonic analysis method to adjusting and compensating, the practical test data is acquired, and the inductosyn Angle measuring accuracy is, raised.
由于电力信号基波频率的测量直接影响到谐波分析的精度，提高基波频率的测量精度非常必要。
It is necessary to improve the measuring precision of electric signal's base frequency, which directly influences the precision of its harmonic analysis.
对采集到的AMR磁栅尺磁头输出波形进行了付里叶谐波分析，发现了波形中的半次谐波现象。
The harmonics of the output waveforms of AMR magnetic grating ruler head were analyzed and the half harmonics' phenomena were observed for the first time.
谐波分析通常采用FFT算法，为了加快FFT的运算速度，需要对280个采样点进行插值处理。
Harmonic analysis usually adopts FFT algorithm, the 280 Sample points need interpolation management, which make FFT faster.
系统包括话机按键双音频信号识别、圆轮廓形状误差谐波分析、数字音频效果及原理性演示实验等。
The system includes the dual-tone multifrequency signal detection module, the musical sound processing module, the harmonical analysis module of circularity and many other demonstration modules.
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